gmp_testbit
(no version information, might be only in CVS)
gmp_testbit -- Tests if a bit is set
Description
bool
gmp_testbit ( resource a, int index )
Tests if the specified bit is set.
Parameters
a
A GMP number resource
index
The bit to test
Return Values
Returns TRUE on success or FALSE on failure.
Errors/Exceptions
E_WARNING is issued when index is less than zero.
Examples
Example 1. gmp_testbit() example
<?php
$n = gmp_init("1000000");
var_dump(gmp_testbit($n, 1));
gmp_setbit($n, 1);
var_dump(gmp_testbit($n, 1));
?>
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The above example will output: |